TPms_ChildMod *modify = new TPms_ChildMod(Application,frmMain);
modify->ShowModal();
__fastcall TPms_ChildMod::TPms_ChildMod(TComponent* Owner,TfrmMain *frmMain)
: TForm(Owner)
{
Pms_ChildMod->Parent = frmMain;
}
ErrorMessage:Cannot Create form,NO MDI forms are currently active